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- A. Interpretation of Graph/Table Use graph key as guide A cell mitosis experiment in which the cells count is determined hourly over a 24 hour period is shown below: Growth curve: What conclusions can you draw about the process of mitosis over a 24-hour period? Lines: Individual Continuous Options Number of Cells.Hour Courtesy: www.inspiration.com 1. What conclusions can you draw about the process of cell mitosis over a 24-hour period;Match the following terms with their definition. Note that some of the terms will not be used. 1. S phase 2. Oncogene 3. G0 phase 4. Cyclin 5. Metaphase checkpoint 6. G2 phase 7. G1 checkpoint 8. Cyclin-dependent kinase 9. Mitosis ______The stage a cell is in if it is not going to divide ______The part of the cell cycle during which newly replicated DNA is checked for mistakes ______The part of the cell cycle during which DNA replication occurs ______An enzyme that adds phosphate groups to other proteins only when it is bound to another protein ______A protein that is present at high levels only during certain times of the cell cycle _____Point at which the cell dies if all the chromosomes are not correctly attached to the mitotic spindleWhich of the following is NOT an advantage of autologous embryonic stem cell development and differentiation in-vitro? O They can be used to treat degenerative or damaged tissues without being rejected by the individual's immune system O They have very high pluripotency O All of the above are advantages O It can be used for treating infertility O They can be differentiated into many tissue types using appropriate growth factors * Previous Next
- Why are histopathologists interested in the percentage of mitotic cells in a tissue biopsy? 1.High rates of cell division (i.e. a high mitotic index) are characteristic of tumours 2.Low rates of cell division (i.e. a low mitotic index) are indicative of tumours 3.Mature differentiated cells continue to go through the cell cycle 4.They are interested in looking for misshapen cells.Explain the following statements in 4-6 lines Multi-step tumor progression helps to explain familial polyposis. new answer pleaseMitosis results in the Formation of two daughter cells identical with that of the parental cell Formation of one daughter cell identical with that of the parental cell Formation of three daughter cells identical with that of the parental cell 3 A Formation of four daughter cells identical with that of the parental cell 4 MARKED FOR REVIEW
- Single-egg twins, 8 months old, showed an increase of the liver, a decrease in blood glucose, a decrease in the activity of phosphorylase (an enzyme that destroys glycogen). In hepatocytes the excessive glycogen was also detected. Questions: 1. What is the typical form of cell damage described? Give its definition. 2. Specify the mechanisms for the formation of this form of damage. 3. Describe the classifications of cell damage by type of metabolism, origin, location, prevalence 4. Can this form of cell damage lead to its death? Justify the answer. 5. Indicate all types of cell death. 6. Give a comparative description of the different types of cell death. 7. Figure out the principles of correction of cell damage.The following are drugs that act as anti-tumor agents and are often used as part ofchemotherapeutic regimens for cancer patients. Explain how the use of the following drugs mayprevent cancer cell growth and/or proliferation.A basic abnormality which result from a genetic change that favors the growth of a single population of cells.is.called Differential.diagnostic IdiopathicNosocomialNeoplasia
- Define metastasis. What down two characteristics of metastatic cellsSenescence markers are highly exhibited by these groups of cells (Choose all that apply); Group of answer choices Aged cells Damaged cells Malignant cells Premalignant cellsDescribe the genetic mechanism behind cellular senescence. Key terms: telomere, DNA replication, cell clock.